浸渍酸

Study on the preparation of γ-alumina-supported molybdenum phosphide hydrofining catalysts;2. Silica-supported molybdenum phosphide s were prepared in a fixed bed reactor by an in situ reduction method from their oxidic precursors.

以SiO2为载体，用钼酸铵和磷酸氢二铵作钼源和磷源，采用共浸渍法制备了负载型磷化钼氧化态前体；在固定床反应器上，用H2原位还原制备了MoP/SiO2催化剂。

The catalyst was characterized by XRD,no apparent characteristic peaks of phosphotungstic acid are observed,which indicates that heteropoly acid dispersed finely in the molecular sieves,and the structure of ZSM-5 was not destroyed.

将催化剂用于合成乙酸乙酯，探讨了操作条件包括原料组成，催化剂用量和反应时间对酸转化率的影响并与浸渍方法得到的催化剂进行重复使用性能比较。

Phosphotungstic acid catalysts supported on ceria with various PW loadings were prepared by the impregnation method , and characterized by X- ray diffraction, acid strength and nitrogen adsorption techniques.

以CeO2为载体，用浸渍法制备了不同负载量的磷钨酸催化剂，并且考察了催化剂光催化脱色甲基橙溶液的催化性能。

The experimental results show that the optimum preparation conditions of catalyst of SO42-/Zr-CLC are achieved :pillaring material is 0.5mol/l ZrOCb,Zr/clay is 3mmol/g,accelerant is (NH4)2SO4 and the quantity of SO42- is 30%, the precursor of Zr-CLC is dipped by SO42- and is calcinated at temperature of 500 癈 for 2h.

将聚合羟基锆阳离子交联剂通过离子交换引入膨润土层间域撑柱膨润土，同时通过浸渍将SO42-引入到膨润土层间的锆阳离子表面，高温焙烧活化，合成了催化性能良好的中孔固体酸催化剂SO42／Zr-CLC，同时对催化剂的性能和结构进行了研究。

Maize syrup, a kind of brown sticky liquid is concentrated from the retted mixture. Its main contents are soluble protein, peptide and amino-acid etc., which is very nourishing. It can be used for producing antibiotic, gourment powder, yeast, inositol and etc.. So the maize syrup is a very important valuable by-product .

玉米浆是由浸渍水浓缩制得的，外观为棕褐色粘稠液体，主要成分大部分为溶解蛋白以及肽类、氨基酸等，有很高的营养价值，可用于生产抗生素、味精、酵母等产品的细菌营养料，同时还可制造菲汀、肌醇、植酸等，因此，玉米浆是重要的有价值副产品。

It was found that PA modified starch might be esterifying cross-linked starch, and that cross-linking degree of dipping method PA modified starch was lower than wet method PA modified starch.

在浸渍法改性中，得到最大取代度的反应参数为：植酸钠用量2％，pH 7，时间2hr，温度140℃～160℃。

ABSTRACT Chemical corrosion mechanism of concrete in Qinghai salt lake is briefly reviewed, and bittern resisting behavior of high alumina cement concrete, magnesium oxychloride cement concrete, alkali-activated slag concrete, ferrialuminate cement concrete and polymer impregnated concrete are also reported in the paper.

摘 要 简述了普通水泥混凝土在盐湖环境中的受腐蚀机理﹔报道了高铝水泥、氯氧镁水泥、铁铝酸盐水泥、碱矿渣和聚合物浸渍混凝土的抗盐卤腐蚀行为﹔对硅灰高密实混凝土的抗盐卤腐蚀机理进行了详细讨论，认为改善孔结构是获取混凝土高抗腐蚀性的有效途径。

A method for the determination of silver in impregnated activated carbon by air-C2H2 flame atomic absorption spectrometry was set up.

本研究建立了一种用空气-乙炔火焰原子吸收分光光度法测定浸渍活性炭中银含量的分析方法，对酸介质浓度、共存元素的干扰进行了探讨，在0～1.0mg/L范围内，银含量与吸光度呈线性关系，相关系数为0.9999。

The rutile TiO2 powder photocatalyst was prepared by hydrolysis process, and it was coated with WO3 by dipping process using tetrabutyl titanate (C16H36O4Ti) as raw material. The catalysts were characterized by XRD, Raman spectra, TEM and diffuse reflectance UV-Vis spectra.

以钛酸丁酯为钛源，采用水解法制备金红石型TiO2粉体，用浸渍法将制备的TiO2粉体包覆不同浓度的WO3（记为WO3-TiO2），并采用X射线衍射、拉曼光谱、透射电镜和紫外－可见漫反射光谱等手段对所得的光催化剂进行了表征。

The rutile TiO2 powder photocatalyst was prepared by hydrolysis process, and it was coated with WO3 by dipping process using tetrabutyl titanate(C16H36O4Ti) as raw material. The catalysts were characterized by XRD, Raman spectra, TEM and diffuse reflectance UV-Vis spectra.

摘 要：以钛酸丁酯为钛源，采用水解法制备金红石型TiO2粉体，用浸渍法将制备的TiO2粉体包覆不同浓度的WO3(记为WO3-TiO2)，并采用X射线衍射、拉曼光谱、透射电镜和紫外可见漫反射光谱等手段对所得的光催化剂进行了表征。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

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如果有任何问题，你可以随时联系我。